/* flex布局 */
.u-f,.u-f-ac,.u-f-ajc {
	display: flex;
}
.u-f-ac,.u-f-ajc{
	align-items: center;
}

.u-f-ajc {
	justify-content: center;
}

.u-f-jsb {
	justify-content: space-between;
}

.u-f1 {
	flex: 1;
}

.u-f-column {
	flex-direction: column;
}
